Dez sits next to 4 phonetic neighbors — Des, Dex, and Lex are the closest matches by sound. Most share Dez's Irish Gaelic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"short form of Desmond (south Munster, Ireland)"
"stonecutter, one who works with stone"
"from the sky, ethereal"
"from the open moorland"
"the one who flew"
"little king, kingly"
"little saint, holy one"
"combination of brae (hillside) and -lon suffix"
"Yahweh is God"
"prior, head of a priory or monastery"
"ancestor's descendant (alternative etymology)"
"from the winding stream or lane"
"beloved son"
"victorious one"
"old friend, wise friend"
"wished for child"
"son of Benjamin"
"manifestation of God, Epiphany"
"boar friend"
"modern coinage combining Matt + -ix suffix"
Similar sound: These names share phonetic patterns with Dez — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Dez.
Rhythm: Dez is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.